<template>
  <view>
    <view class="goods-list">
      <view v-for="(item, i) in goodsList" :key="i" @click="gotodetail(item)">
        <my-goods :goods="item"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
           // 请求参数对象
            queryObj: {
              // 查询关键词
              query: '',
              // 商品分类Id
              cid: '',
              // 页码值
              pagenum: 1,
              // 每页显示多少条数据
              pagesize: 10
            },
            goodsList:[],
            total:0,
           defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png',
           isloading: false

      };
    },
 
    onLoad(options){
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getgoodsList()
    },
    methods:{
     async getgoodsList(cb){
        this.isloading = true
       const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
         this.isloading = false
         cb && cb()
        if (res.meta.status !== 200) return uni.$showMsg()
     
        this.goodsList = [...this.goodsList,...res.message.goods]
        this.total = res.message.total
      
      },
      gotodetail(item){
         uni.navigateTo({
           url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
         })
      }
    },
    // 触底的事件
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total ) return uni.$showMsg('数据加载完毕')
      
      if (this.isloading) return
      // 让页码值自增 +1
      this.queryObj.pagenum++
      // 重新获取列表数据
      this.getgoodsList()
    },
    onPullDownRefresh(){
      this.queryObj.pagenum = 1
      this.total = 0 
      this.isloading = false
      this.goodsList = []
      this.getgoodsList(()=>uni.stopPullDownRefresh())
    },
  
  }
</script>

<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;

    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }

    .goods-price {
      font-size: 16px;
      color: #c00000;
    }
  }
}
</style>
